JPS63130330A - Injection stretching blow molding method for polypropylene - Google Patents

Injection stretching blow molding method for polypropylene

Info

Publication number
JPS63130330A
JPS63130330A JP61277307A JP27730786A JPS63130330A JP S63130330 A JPS63130330 A JP S63130330A JP 61277307 A JP61277307 A JP 61277307A JP 27730786 A JP27730786 A JP 27730786A JP S63130330 A JPS63130330 A JP S63130330A
Authority
JP
Japan
Prior art keywords
mouth
stepped
mold
perform
blow molding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP61277307A
Other languages
Japanese (ja)
Other versions
JPH059258B2 (en
Inventor
Katashi Aoki
固 青木
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to JP61277307A priority Critical patent/JPS63130330A/en
Priority to EP19870907675 priority patent/EP0293485B1/en
Priority to AU83273/87A priority patent/AU602380B2/en
Priority to DE3752276T priority patent/DE3752276T2/en
Priority to KR1019880700855A priority patent/KR950000181B1/en
Priority to PCT/JP1987/000897 priority patent/WO1988003864A1/en
Publication of JPS63130330A publication Critical patent/JPS63130330A/en
Publication of JPH059258B2 publication Critical patent/JPH059258B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/08—Biaxial stretching during blow-moulding
    • B29C49/10—Biaxial stretching during blow-moulding using mechanical means for prestretching
    • B29C49/12—Stretching rods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/071—Preforms or parisons characterised by their configuration, e.g. geometry, dimensions or physical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/08—Biaxial stretching during blow-moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C2049/023—Combined blow-moulding and manufacture of the preform or the parison using inherent heat of the preform, i.e. 1 step blow moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/0715—Preforms or parisons characterised by their configuration the preform having one end closed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/072—Preforms or parisons characterised by their configuration having variable wall thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/072—Preforms or parisons characterised by their configuration having variable wall thickness
    • B29C2949/0725—Preforms or parisons characterised by their configuration having variable wall thickness at bottom portion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/073—Preforms or parisons characterised by their configuration having variable diameter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/076—Preforms or parisons characterised by their configuration characterised by the shape
    • B29C2949/0768—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform
    • B29C2949/077—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform characterised by the neck
    • B29C2949/0771—Wide-mouth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/076—Preforms or parisons characterised by their configuration characterised by the shape
    • B29C2949/0768—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform
    • B29C2949/077—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform characterised by the neck
    • B29C2949/0772—Closure retaining means
    • B29C2949/0773—Threads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
    • B29C2949/22—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at neck portion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
    • B29C2949/24—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at flange portion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
    • B29C2949/26—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at body portion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
    • B29C2949/28—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at bottom portion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/06—Injection blow-moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10—Polymers of propylene
    • B29K2023/12—PP, i.e. polypropylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7158—Bottles
    • B29L2031/716—Bottles of the wide mouth type, i.e. the diameters of the bottle opening and its body are substantially identical

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

PURPOSE:To mold a vessel where only a mount part has turned semiopaque even if the vessel is made of polypropylene or polyamide, by a method wherein injection molding of a bottomed perform is performed where a thickness of the lower part of a circumferential wall of a mouth part is made thicker than that of the other stretched part through a stepped part provided on the inside and stretching blow molding of a part lower than the stepped part is performed by pinching and fixing the mouth part. CONSTITUTION:A thickness of the lower part 4 of a circumferential wall of a mouth part is formed thicker than those of the mouth part 1 and bottom 6 through a stepped part 2 by performing injection molding of a bottomed perform 3 having the stepped 2 on the inside of the lower part of the mouth part 1. Formation of the stepped part 2 can be performed easily by providing a stepped part 10 on the circumference of the lower part of a core mold 9 forming a cavity along with lip mold 7 and injection mold 8. Then the mouth part 1 is pinched and fixed at the stepped part 2 by inserting a blowing core 11 into the mouth part 1, the lower side of the mouth and bottom 6 are stretched down to the bottom of the cavity of a blowing mold 12 from a part of the stepped part 2 by a rod 13, and swollen further so as to fill up the cavity through blowing of air into the perform 3 then the perform 3 is molded into a hollow molding 14.

Description

【発明の詳細な説明】 （産業上の利用分野） この発明はポリプロピレン、ポリアミド等の合成樹脂を
材料とする容器、びんなどの成形品の射出延伸吹込成形
に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to injection stretch blow molding of molded articles such as containers and bottles made of synthetic resins such as polypropylene and polyamide.

〔従来の技術〕[Conventional technology]

一般に射出延伸吹込成形では、射出成形した有底プリフ
ォームの口部を挾持固定して、他の部分を延伸吹込成形
している。Generally, in injection stretch blow molding, the mouth of an injection molded preform with a bottom is clamped and fixed, and the other parts are stretch blow molded.

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

この場合、成形品の材料樹脂が、ポリプロピレンやポリ
アミドなどの乳白化し易い合成樹脂であると、延伸吹込
成形された部分は二軸配向により透明になるが、第３図
に示すように、成形品２０の口部２１から肩部２２まで
乳白化したままとなっている。In this case, if the material resin of the molded product is a synthetic resin that easily becomes opalescent, such as polypropylene or polyamide, the stretch-blow molded part becomes transparent due to biaxial orientation, but as shown in Figure 3, the molded product 20 remains opalescent from the mouth 21 to the shoulder 22.

この乳白部分２３の下縁のほとんどは、９部２２に不規
則に表われ、このため成形品２０の外観が損われて商品
としての価値が半減する。Most of the lower edge of this milky white part 23 appears irregularly in the 9 part 22, which impairs the appearance of the molded product 20 and reduces its value as a product by half.

そこで本発明者は成形品の９部２２に生ずる乳白部分２
３の発生原因に付いて、種々の研究を重ねた結果、口部
下側の延伸不足が原因であって、この部分から下方が充
分に延伸された場合には、乳白部分２３は口部２１のみ
となることを見出したのである。Therefore, the present inventor proposed that the milky white portion 2 occurring in the 9th part 22 of the molded product
As a result of various studies regarding the cause of the occurrence of item 3, we found that the cause is insufficient stretching of the lower part of the mouth, and if the lower part is sufficiently stretched from this part, the milky white part 23 will only occur at the mouth part 21. They found that.

〔問題点を解決するための手段〕[Means for solving problems]

この発明はポリプロピレン、ポリアミドなどの乳白化し
易い材料樹脂をもって射出延伸吹込成形された成形品に
おける上記問題点を解決することを目的とするもである
。The object of the present invention is to solve the above-mentioned problems in molded products that are injection-stretch-blow-molded using resins that tend to become opalescent, such as polypropylene and polyamide.

かかる目的によるこの発明は、口部周壁の下部肉厚を、
内側に設けた段部により他の延伸部分よりも厚肉となし
た有底のプリフォームを射出成形し、そのプリフォーム
の口部を挾持固定して上記段部より下方を延伸吹込成形
することを要旨とする。This invention for this purpose reduces the thickness of the lower part of the peripheral wall of the mouth,
Injection molding a preform with a bottom that is thicker than other stretched parts due to a stepped part provided on the inside, clamping and fixing the mouth part of the preform, and stretch-blow molding the part below the stepped part. The gist is:

以下図面に示す実施例によりこの発明の詳細な説明する
。The present invention will be described in detail below with reference to embodiments shown in the drawings.

〔実施例〕〔Example〕

まず第１図に示すように、口部１の下部内側に段部２を
有する有底のプリフォーム３を射出成形して、口部周壁
下部４の肉厚を、上記段部２により口部１及び底部６の
肉厚よりも厚肉に形成する。First, as shown in FIG. 1, a bottomed preform 3 having a step 2 inside the lower part of the mouth 1 is injection molded, and the thickness of the lower part 4 of the mouth peripheral wall is reduced by the step 2. 1 and the bottom part 6.

上記段部２の形成はリップ型７及び射出型８と共にキ１
νビティを形成するコア型９の下部周囲に段部１０を設
けることによって容易に行うことができる。The formation of the step part 2 is carried out using a key 1 together with the lip mold 7 and the injection mold 8.
This can be easily accomplished by providing a stepped portion 10 around the lower portion of the core mold 9 that forms the ν bit.

次に第２図に示すように、上記口部１を吹込コア１１の
挿入をもって段部２の位置より挾持固定し、口部下側及
び底部６を、段部２の部分から吹込型１２のキャヒテイ
底部までロッド１３により延伸し、更にエアーの吹込を
もってキレビテイ一杯に膨張して、プリフオーム３を中
空の成形品１４に成形する。Next, as shown in FIG. 2, the mouth part 1 is clamped and fixed from the stepped part 2 by inserting the blowing core 11, and the lower part of the mouth and the bottom part 6 are inserted into the cavity of the blow mold 12 from the stepped part 2. The preform 3 is formed into a hollow molded product 14 by stretching it to the bottom with a rod 13 and then expanding it to its fullest by blowing air.

上記延伸において、最も伸長し易いところは、他の部分
より厚肉に形成された口部周壁下部４の厚肉部分となる
。In the above-mentioned stretching, the part that is most easily stretched is the thick part of the lower part 4 of the mouth peripheral wall, which is thicker than other parts.

延伸される部分のうち、他の部分より厚肉に形成された
口部周壁下部４は、他の部分よりも熱保有量が多く、延
伸吹込成形に至る間に表面温度が低下しても、その部分
の肉厚を他の部分と同じくし°た場合と比べて熱の損出
は少なく、段部２を境にして良く延長する。Among the parts to be stretched, the lower part of the mouth peripheral wall 4, which is formed thicker than other parts, retains more heat than other parts, and even if the surface temperature decreases during stretch blow molding, Compared to the case where the wall thickness of that part is the same as that of other parts, the loss of heat is less, and it extends well beyond the step part 2.

この結果、延伸吹込成形により段部２より下方が二輪配
向され、口部１を除いて他の部分は透明となる。また乳
白部分と透明部分は図示のように段部２があった０部下
側を境にして引離に分かれ、乳白部分の下縁が肩部上に
まで及ぶことがなくなる。As a result, the area below the step part 2 is oriented in two rings by stretch blow molding, and the other parts except for the mouth part 1 become transparent. Further, as shown in the figure, the milky white part and the transparent part are separated at the lower side where the step part 2 was located, so that the lower edge of the milky white part does not reach above the shoulder part.

（発明の効果〕 この発明は上述のように、口部周壁の下部肉厚を、内側
に設けた段部により他の延伸部分よりも厚肉に形成し、
口部周壁下部の熱保有けを大きくして延伸し易くし、こ
れにより胸部への未配向による乳白化を防止してなるも
のであるから、材料樹脂がポリプロピレンやポリアミド
であっても、口部のみが乳白化した容器等を成形するこ
とかでき、また乳白部分と透明部分とが一線を境に美麗
に生じた外観上も極めて好ましい成形品を容易に成形す
ることができるなどの特長を有する。(Effects of the Invention) As described above, the present invention includes forming the lower part of the mouth peripheral wall to be thicker than other extending portions due to the stepped portion provided on the inside;
The heat retention at the lower part of the peripheral wall of the mouth part is increased to make it easier to stretch, thereby preventing opalescence due to non-orientation to the chest, so even if the material resin is polypropylene or polyamide, the mouth part It has features such as being able to mold containers etc. that are milky white, and also being able to easily mold molded products that have a beautiful appearance with a clear line between the milky white part and the transparent part, which is extremely pleasing in terms of appearance. .

【図面の簡単な説明】[Brief explanation of the drawing]

第１図及び第２図はこの発明に係る射出延伸吹込成形法
を示づもので、第１図は金型鎖線で示すプリフォームの
断面図、第２図は同じく成形品の断面図、第３図は従来
の成形法による成形品の半部縦断面図である。1 and 2 show the injection stretch blow molding method according to the present invention. FIG. 3 is a half longitudinal cross-sectional view of a molded product produced by a conventional molding method.

Claims (1)

【特許請求の範囲】[Claims] 口部周壁の下部肉厚を、内側に設けた段部により他の延
伸部分よりも厚肉となした有底のプリフォームを射出成
形し、そのプリフォームの口部を挾持固定して上記段部
より下方を延伸吹込成形することを特徴とするポリプロ
ピレン等の射出延伸吹込成形法。A preform with a bottom is made by injection molding so that the thickness of the lower part of the peripheral wall of the mouth part is thicker than other stretched parts due to a stepped part provided on the inside, and the mouth part of the preform is clamped and fixed to form the above-mentioned step. An injection stretch blow molding method for polypropylene, etc., characterized in that stretch blow molding is carried out below the part.
JP61277307A 1986-11-20 1986-11-20 Injection stretching blow molding method for polypropylene Granted JPS63130330A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP61277307A JPS63130330A (en) 1986-11-20 1986-11-20 Injection stretching blow molding method for polypropylene
EP19870907675 EP0293485B1 (en) 1986-11-20 1987-11-19 Injection stretching blow molding of polypropylene or the like
AU83273/87A AU602380B2 (en) 1986-11-20 1987-11-19 Injection stretching blow molding of polypropylene or the like
DE3752276T DE3752276T2 (en) 1986-11-20 1987-11-19 MOLDING MOLDS OF POLYPROPYLENE OR THE LIKE
KR1019880700855A KR950000181B1 (en) 1986-11-20 1987-11-19 Injection stretching blow molding of polypropylene or the like
PCT/JP1987/000897 WO1988003864A1 (en) 1986-11-20 1987-11-19 Injection stretching blow molding of polypropylene or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61277307A JPS63130330A (en) 1986-11-20 1986-11-20 Injection stretching blow molding method for polypropylene

Publications (2)

Publication Number Publication Date
JPS63130330A true JPS63130330A (en) 1988-06-02
JPH059258B2 JPH059258B2 (en) 1993-02-04

Family

ID=17581713

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61277307A Granted JPS63130330A (en) 1986-11-20 1986-11-20 Injection stretching blow molding method for polypropylene

Country Status (6)

Country Link
EP (1) EP0293485B1 (en)
JP (1) JPS63130330A (en)
KR (1) KR950000181B1 (en)
AU (1) AU602380B2 (en)
DE (1) DE3752276T2 (en)
WO (1) WO1988003864A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04166663A (en) * 1990-10-31 1992-06-12 Isuzu Motors Ltd Starting control device for vehicle equipped with automatic transmission

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001121598A (en) 1999-10-29 2001-05-08 Aoki Technical Laboratory Inc Method for stretch blow molding of wide-mouthed vessel
WO2007046998A1 (en) * 2005-10-14 2007-04-26 Exxonmobil Chemical Patents Inc. Methods for stretch blow molding polymeric articles
CN102189670A (en) * 2010-03-13 2011-09-21 台州市天雅机械模具有限公司 Processing mould for stretching and blowing twice of 5-gallon bucket
GB2547767B (en) 2014-05-01 2019-01-09 Gr8 Eng Ltd Apparatus for forming a blow moulded container

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU527922B2 (en) * 1977-12-23 1983-03-31 Emhart Industries Inc. Blow moulding parison
JPS5836420A (en) * 1981-08-27 1983-03-03 Yoshino Kogyosho Co Ltd Method of molding bottle
CA1184717A (en) * 1981-08-20 1985-04-02 Yoshiaki Hayashi Blow-molded bottle-shaped container of biaxially oriented polyethylene terephthalate resin and method of molding the same
JPS5836121U (en) * 1981-09-02 1983-03-09 株式会社吉野工業所 Primary molded product for biaxially stretched blow molded bottle molding
JPS5850926U (en) * 1981-10-01 1983-04-06 株式会社吉野工業所 Primary molded product for wide mouth bottle molding
AU571000B2 (en) * 1983-02-02 1988-03-31 Nissei Asb Machine Co., Ltd. Biaxial orientation of bottles
US4641758A (en) * 1983-11-22 1987-02-10 Yoshino Kogyosho Co., Ltd. Blow-molded bottle-shaped container of biaxially oriented thermoplastic synthetic resin with wide port and method of molding the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04166663A (en) * 1990-10-31 1992-06-12 Isuzu Motors Ltd Starting control device for vehicle equipped with automatic transmission

Also Published As

Publication number Publication date
KR890700073A (en) 1989-03-02
WO1988003864A1 (en) 1988-06-02
AU8327387A (en) 1988-06-16
KR950000181B1 (en) 1995-01-11
EP0293485A1 (en) 1988-12-07
EP0293485A4 (en) 1989-06-26
EP0293485B1 (en) 1999-06-02
DE3752276T2 (en) 1999-12-16
JPH059258B2 (en) 1993-02-04
AU602380B2 (en) 1990-10-11
DE3752276D1 (en) 1999-07-08

Similar Documents

Publication Publication Date Title
US4439393A (en) Method of producing synthetic resin bottle with handle
KR920000264B1 (en) Synthetic-resin hollow containr with grip
CA1132465A (en) Parison for bottle product
US5398828A (en) Blow molded plastic containers including internal support and handgrip
IL109463A (en) Blow-molded plastic container including handgrip
EP0870593B1 (en) Method for injection and stretch blow molding articles
JPH0236922A (en) Manufacture of blow-molded vessel made of plastic
JPS6017693B2 (en) Polyethylene terephthalate resin bottle and molding method for this bottle
NZ208970A (en) Making synthetic resin can body by injection or extrusion and blow moulding
JPS57128516A (en) Blow-molded container having multilayer construction and method for producing the same
JPS63130330A (en) Injection stretching blow molding method for polypropylene
JP2000043128A5 (en) Molding method and mold for synthetic resin containers
JPH0761675B2 (en) Plastic bottle manufacturing method
JPH0286424A (en) Molding method for deformed hollow container
JPS6142806Y2 (en)
JPS5843308B2 (en) Biaxially stretched container
JPH043729B2 (en)
JPS621901B2 (en)
JPH0365247B2 (en)
JP4087181B2 (en) Method for producing synthetic resin container having inner rib at bottom and container produced using the same
JPH0339226A (en) Method for stretching parison in stretching blow molding
JPS6014563Y2 (en) Primary molded product of in-die extension blow molded product made of polyethylene terephthalate resin
JPH0719783Y2 (en) Plastic container
JPS59135129A (en) Preparation of biaxially oriented synthetic resin bottle
JPS607288Y2 (en) Biaxially stretched synthetic resin bottle

Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees